Initial split QWERTY layout

Change [2/3]

Add an attribute that's used in layout xmls for specifying
the split-keyboard layout.
This attribute will be checked/set by the KeyboardBuilder which knows about
the "splittability" of the keyboard.

Bug: 4968173
Change-Id: I5d792e570b9648e09022e9b7e92a972a161009ee
diff --git a/java/res/xml-sw600dp-land/row_qwerty4.xml b/java/res/xml-sw600dp-land/row_qwerty4.xml
new file mode 100644
index 0000000..0fdb5c6
--- /dev/null
+++ b/java/res/xml-sw600dp-land/row_qwerty4.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2014, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<merge
+    xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
+>
+    <switch>
+        <!-- Split the 4th row for split layouts -->
+        <case
+            latin:isSplitLayout="true"
+        >
+            <Row
+                latin:keyWidth="7.0%p"
+                latin:backgroundType="functional"
+            >
+                <Key
+                    latin:keyStyle="toSymbolKeyStyle" />
+                <include
+                    latin:keyboardLayout="@xml/key_comma" />
+                <!-- Space key. -->
+                <include
+                    latin:keyboardLayout="@xml/key_space_3kw"
+                    latin:backgroundType="normal" />
+                <Spacer
+                    latin:keyWidth="28.0%p" />
+                <Key
+                    latin:keyStyle="spaceKeyStyle"
+                    latin:keyWidth="21.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/key_period" />
+                <include
+                    latin:keyboardLayout="@xml/key_emoji" />
+            </Row>
+        </case>
+        <default>
+            <Row
+                latin:keyWidth="9.0%p"
+                latin:backgroundType="functional"
+            >
+                <Key
+                    latin:keyStyle="toSymbolKeyStyle"
+                    latin:keyWidth="10.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/key_comma" />
+                <!-- Space key. -->
+                <include
+                    latin:keyXPos="19.0%p"
+                    latin:keyboardLayout="@xml/key_space_7kw"
+                    latin:backgroundType="normal" />
+                <include
+                    latin:keyboardLayout="@xml/key_period" />
+                <include
+                    latin:keyboardLayout="@xml/key_emoji" />
+            </Row>
+        </default>
+    </switch>
+</merge>